Round top gemstone with base cut as square mounted in ring



FIG. 1 is a perspective view of the round top gemstone with base cut as square mounted in ring showing my new design.

FIG. 2 is front view thereof;

FIG. 3 is back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM I claim the ornamental design for a round top gemstone with base cut as square mounted in ring, as shown and described. 